Taurocyamine-utilizing Mutant of Pseudomonas aeruginosa with Altered Induction of 3-Guanidinopropionate Amidinohydrolase(Microbiology & Fermentation Industry)
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概要
- 論文の詳細を見る
A mutant, strain M-6, capable of utilizing taurocyamine (2-guanidinoethanesulfonate) as a nitrogen source was isolated from the parent strain, Pseudomonas aeruginosa GB-4, derivative of wild-type P. aeruginosa PAO1 lacking the ability to produce guanidinobutyrase (EC 3.5.3.7). 3-Guanidinopropionate amidinohydrolase (EC class 3.5.3), which acts slowly on taurocyamine, was induced effectively by only 3-guanidinopropionate in the parent strain, while the enzyme of strain M-6 was induced by taurocyanime, guanidinoacetate, 3-guanidinopropionate, 4-guanidinobutyrate, and guanidinosuccinate. Strain M-6 synthesized a slight amount of the enzyme constitutively. The enzyme partially purified from strain M-6 exhibited substrate specificity similar to that of the wild-type strain. The mutant could grow also on 4-guanidinobutyrate, unlike the parent strain. These results indicate that strain M-6 acquired the ability to grow on taurocyamine by virtue ro mutation at the regulatory gene for 3-guanidinopropionate amidinohydrolase, which led to alteration of the specificity of the regulatory protein.
- 社団法人日本農芸化学会の論文
- 1986-12-23
著者
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Sawada Katsuhiko
Department Of Agricultural And Biological Chemistry Shinshu University
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YORIFUJI Takamitsu
Department of Bioscience and Biotechnology, Shinshu University
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TOKUDA Chikashi
Department of Agricultural and Biological Chemistry, Shinshu University
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Yorifuji Takamitsu
Department Of Baioscience And Biotechnology Shinshu University
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Yorifuji Takamitsu
Department Of Agricultural And Biological Chemistry Shinshu University
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Tokuda Chikashi
Department Of Agricultural And Biological Chemistry Shinshu University
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Yorifuji T
Department Of Bioscience And Biotechnology Shinshu University
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Yorifuji T
Department Of Baioscience And Biotechnology Shinshu University
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YORIFUJI Takamitsu
Department of Agricaltural Chemistry, Faculty of Agriculture, Shinshu University
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